08/19/2026
ASK A SAP!® Question of the Day
Changing jobs while you are on a follow-up testing plan? Your plan goes with you, and it does not start over. Here is what that means.
If you had a DOT drug or alcohol violation, completed the Return-to-Duty process, and you are still working through your follow-up testing plan, that obligation does not end when you change employers. It follows you.
Here is what happens under 49 CFR Part 40:
🔹 Your new (gaining) employer must check with your previous employer. After you give written consent, they make a good faith effort to obtain your DOT testing information, including proof you completed the Return-to-Duty requirements and your follow-up testing history.
🔹 Your SAP set the plan. That plan says whether your follow-up tests are for drugs, alcohol, or both, and the total number of tests across your schedule, which can run 12 to 60 months. Your previous employer has been tracking how many you have completed.
🔹 Your previous employer reports how many follow-up tests you have already completed. This is why your new employer does not simply take your word for the count.
🔹 Your new (gaining) employer becomes responsible for your remaining follow-up tests. Under 49 CFR 40.307(e), your plan follows you to new employers and through breaks in service.
🔹 Your new (gaining) employer must keep a written, confidential record of what they obtained or tried to obtain, for three years from your first day performing safety-sensitive duties.
Why you should know this: your follow-up plan is tied to you, not to a job, and it does not reset when you change employers. Understanding that up front means no surprises when you start somewhere new, and it helps you finish the process the right way.
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Questions about DOT drug and alcohol testing, the role of a SAP, or the Return-to-Duty process? ASK A SAP!® Follow this page so you always have the facts.